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/*
* Copyright (c) 2015 embedded brains GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUX_PERCPU_H
#define _LINUX_PERCPU_H
#include <linux/threads.h>
#include <rtems/score/threaddispatch.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define DEFINE_PER_CPU(_type, _designator) \
_type _designator[NR_CPUS]
#define per_cpu(_designator, _cpu) \
(_designator[_cpu])
#define this_cpu_ptr(_ptr_designator) \
(&(*_ptr_designator)[_CPU_SMP_Get_current_processor()])
#define get_cpu_var(_designator) \
(*({ Per_CPU_Control *_cpu_self = _Thread_Dispatch_disable(); \
&_designator[_Per_CPU_Get_index(_cpu_self)]; }))
#define put_cpu_var(_designator) \
_Thread_Dispatch_enable(_Per_CPU_Get())
#define per_cpu_ptr(_ptr, _index) \
((_ptr) + (_index))
#define raw_cpu_ptr(_ptr) \
per_cpu_ptr(_ptr, _CPU_SMP_Get_current_processor())
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _LINUX_PERCPU_H */
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